<template>
	<div class="app-container">
		<mt-header fixed title="Vue">
			<!-- <span slot="left" @click="back"><mt-button icon="back">返回</mt-button></span> -->
			<span to="/" slot="left"  @click="back" v-show="flag">
				<mt-button icon="back">返回</mt-button>
			</span>
		</mt-header>

		<transition><router-view></router-view></transition>

		<nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-llb" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{ $store.getters.getAllCount }}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
	</div>
</template>

<script>
	export default {
		data(){
			return {
				flag: false
			}
		},
		created(){
			this.flag = this.$route.path === '/home' ? false:true;
		},
		methods: {
			back(){
				this.$router.go(-1);
			}
		},
		watch: {
			'$route.path': function(newVal){
				if(newVal === '/home') {
					this.flag  = false;
				}else {
					this.flag = true;
				}
			}
		},
	}
</script>

<style lang="scss" scoped="scoped">
.mint-header {
	z-index: 999;
}

.app-container {
	padding-top: 40px;
	padding-bottom: 52px;
	overflow-x: hidden;
}

.v-enter {
	opacity: 0;
	transform: translateX(100%);
}
.v-leave-active {
	opacity: 0;
	transform: translateX(-100%);
	position: absolute;
}
.v-enter-active,
.v-leave-active {
	transition: all 0.5s ease;
}

// 改类名，解决 tabbar 点击无法切换的问题
.mui-bar-tab .mui-tab-item-llb.mui-active {
	color: #007aff;
}

.mui-bar-tab .mui-tab-item-llb {
	display: table-cell;
	overflow: hidden;
	width: 1%;
	height: 50px;
	text-align: center;
	vertical-align: middle;
	white-space: nowrap;
	text-overflow: ellipsis;
	color: #929292;
}

.mui-bar-tab .mui-tab-item-llb .mui-icon {
	top: 3px;
	width: 24px;
	height: 24px;
	padding-top: 0;
	padding-bottom: 0;
}

.mui-bar-tab .mui-tab-item-llb .mui-icon ~ .mui-tab-label {
	font-size: 11px;
	display: block;
	overflow: hidden;
	text-overflow: ellipsis;
}
</style>
